public class Dog {
    String name;

    public Dog(String name) {
        this.name = name;
    }

    public void bite(Lvdong a) {
        System.out.println("狗咬" + a.name + ",不识好人心！");
    }

    public void bite(Dog b) {
        System.out.println("狗咬" + b.name + "，一嘴毛");
    }

    public void bite(Ciwei c) {
        System.out.println("狗咬" + c.name + ",无从下口");
    }
}